New High Quality Portable Air Respirator 8 in 1 Electric Air Supply System Dust Mask Coal Mine Industrial Dust Half Mask

New High Quality Portable Air Respirator 8 in 1 Electric Air Supply System Dust Mask Coal Mine Industrial Dust Half MaskDescriptionMaterial: Silicone Mask + Plastic Pump + Rubber pipe wiped with cloth Color: Colorful Pipe Interface: R40 Charging time: 3 hours Working time: 7-9 hours Air supply flow rate: First gear: 62 L/min Second gear: 74 L/min Motor design life: ≥5000H Charger Output Voltage: DC12.6v Charger Intput Voltage: AC 100-240V 50/60Hz Mask Size: (L)X(W) 13.5X9.5cm /5.31"X3.74"(appr.) Li-ion Charger: MODEL:12610I NPUT:110V~240V 50-60Hz OUTPUT:12.6V 1000mA【Features】Brand New and high quality.● Adjustable air flow● Lightweight and portable mask● Long time and low noise working● Especially suitable for users who wear glasses for a long time● Effectively protects the wearer's respiratory tract from dust● For use by people in different fields such as industry, agriculture, teams and scientific research【Package included】A-8 in 11 X Gas Mask 1 X Air Pump 2 X Air Pipe 1 X Charger 3 X CanisterB-8 in 12 X Gas Mask 1 X Air Pump 2 X Air Pipe 1 X Charger 2 X Canister【Notice】Please allow 1-3mm error due to manual measurement and make sure you do not mind before ordering.Please understand that colors may exist chromatic aberration as the different placement of pictures.